//========= Copyright Valve Corporation, All rights reserved. ============// // // Purpose: An axis aligned bounding box class. // // $NoKeywords: $ //=============================================================================// #ifndef BOUNDBOX_H #define BOUNDBOX_H #ifdef _WIN32 #pragma once #endif #include "mathlib/vector.h" class BoundBox { public: BoundBox(void); BoundBox(const Vector &mins, const Vector &maxs); void ResetBounds(void); inline void SetBounds(const Vector &mins, const Vector &maxs); void UpdateBounds(const Vector& bmins, const Vector& bmaxs); void UpdateBounds(const Vector& pt); void UpdateBounds(const BoundBox *pBox); void GetBoundsCenter(Vector& ptdest); inline void GetBounds(Vector& Mins, Vector& Maxs); virtual bool IsIntersectingBox(const Vector& pfMins, const Vector& pfMaxs) const; bool IsInsideBox(const Vector& pfMins, const Vector& pfMaxs) const; bool ContainsPoint(const Vector& pt) const; bool IsValidBox(void) const; void GetBoundsSize(Vector& size); void SnapToGrid(int iGridSize); void Rotate90(int axis); Vector bmins; Vector bmaxs; }; //----------------------------------------------------------------------------- // Purpose: Gets the bounding box as two vectors, a min and a max. // Input : Mins - Receives the box's minima. // Maxs - Receives the box's maxima. //----------------------------------------------------------------------------- void BoundBox::GetBounds(Vector &Mins, Vector &Maxs) { Mins = bmins; Maxs = bmaxs; } //----------------------------------------------------------------------------- // Purpose: Sets the box outright, equivalent to ResetBounds + UpdateBounds. // Input : mins - Minima to set. // maxs - Maxima to set. //----------------------------------------------------------------------------- void BoundBox::SetBounds(const Vector &mins, const Vector &maxs) { bmins = mins; bmaxs = maxs; } #endif // BOUNDBOX_H